Analysis
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max time kernel
27s -
max time network
12s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 15:22
Static task
static1
Behavioral task
behavioral1
Sample
4f135253467f0d070e905a74e66c77a9914859651f6e7f58537bbda42d622824.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
4f135253467f0d070e905a74e66c77a9914859651f6e7f58537bbda42d622824.dll
-
Size
162KB
-
MD5
3cd70fa2568fc7d99ff5c0e172c479db
-
SHA1
3b0ffd8ab489773a2be7df84817c30348f8e11bc
-
SHA256
4f135253467f0d070e905a74e66c77a9914859651f6e7f58537bbda42d622824
-
SHA512
8680ec75e6a59ae8f213b236ec395837eca3397f5ebaac48abfe73172354af3806fccf5d88f488fa4f4f030cb924b519eb6f865791214a8c9d77322c5e698e1d
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/2008-61-0x0000000074F40000-0x0000000074F6E000-memory.dmp dridex_ldr -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 1840 wrote to memory of 2008 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 2008 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 2008 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 2008 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 2008 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 2008 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 2008 1840 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4f135253467f0d070e905a74e66c77a9914859651f6e7f58537bbda42d622824.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4f135253467f0d070e905a74e66c77a9914859651f6e7f58537bbda42d622824.dll,#12⤵
- Checks whether UAC is enabled
PID:2008